ISC, ISCe, QSC8.3, ISL, ISLe3, ISLe4 and QSL9 Engines – 001-025   Crankshaft Wear Sleeve, Front

WARNING  Batteries can emit explosive gases. To reduce the possibility of personal injury, always ventilate the compartment before servicing the batteries. To reduce the possibility of arcing, remove the negative (-) cable first and attach the negative (-) cable last.

• Disconnect the batteries.
• Remove the drive belt.
• Remove the vibration damper.
• Remove the front cover.

CAUTION  Do not nick or gouge the crankshaft with the chisel. If the crankshaft is severely damaged, it must be replaced.

Use a hammer and a chisel that is only as wide as the wear sleeve. Make one or two chisel marks across the wear sleeve. This will expand the wear sleeve allowing the sleeve to be removed.

Use a crocus cloth to remove any rust or other deposits from the crankshaft flange.

Use a clean cloth to clean the crankshaft flange.

Inspect the seal contact area of the crankshaft for a wear groove. If the seal has worn a groove deep enough to be felt with a sharp object or fingernail, it will be necessary to install a wear sleeve to prevent an oil leak.

The oil seal used with the wear sleeve has a larger inside diameter than the standard seal. The two seals are not interchangeable. See the appropriate parts catalog for the correct part number.

Use the wear sleeve installation kit, Part Number 3165112, to install the wear sleeve to the correct position on the crankshaft. The kit consists of the following:

Apply a thin coat of clean 15W-40 lubricating oil to the inside diameter of the driver and to the capscrew threads.

Apply a thin coat of clean 15W-40 lubricating oil to the crankshaft flange.

Position the chamfered end of the wear sleeve onto the end of the crankshaft.

Position the counterbore end of the driver onto the wear sleeve.

Install the capscrews (without spacers) through the driver and into the crankshaft capscrew holes. Align the wear sleeve and driver perpendicular with the crankshaft. Tighten the capscrews ”finger tight”.

1. Driver
2. Wear Sleeve
3. Crankshaft
4. Capscrew

NOTE: To prevent damage to the wear sleeve, do not exceed 1/2 revolution of each capscrew.

Alternately tighten the capscrews until the sleeve is installed to a depth of approximately 16 mm [0.625 in].

Remove the capscrews and install the spacer on each capscrew.

Install the capscrews again.

Continue to alternately tighten the capscrews until the bottom of the driver contacts the end of the crankshaft.

Remove the driver.

WARNING  Batteries can emit explosive gases. To reduce the possibility of personal injury, always ventilate the compartment before servicing the batteries. To reduce the possibility of arcing, remove the negative (-) cable first and attach the negative (-) cable last.

• Install the gear cover.
• Install the vibration damper.
• Install the drive belt.
• Connect the batteries.
• Operate the engine and check for leaks.